const mongoose=require('mongoose');

mongoose.connect('mongodb://localhost:27017/zhizhe',{ useNewUrlParser: true,useUnifiedTopology: true });

const db=mongoose.connection;

db.on('error',function(){
    console.log('error')
})
db.once('open',function(){
    console.log('success')
})
module.exports={
    mongoose,
    db
}